US4657672AExpiredUtility

Immersion type water filter

Individually held — no corporate assignee on recordPriority: Jun 3, 1985Filed: Jun 3, 1985Granted: Apr 14, 1987
Est. expiryJun 3, 2005(expired)· nominal 20-yr term from priority
Inventors:Raymond Allen
C02F 1/76A01K 63/045
42
PatentIndex Score
21
Cited by
8
References
1
Claims

Abstract

An enclosed filter is disclosed herein having an elongated container or housing composed of transparent material incorporating a plurality of adjacent filtering chambers separated by a mesh partition or grid. Filter material especially suited for removing chloramine occupies each chamber and pump apparatus is employed for drawing water through an open grid end of the housing through the chambers for existing via a discharge port in the pump apparatus.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. In an out-of-doors aquarium or pond for holding and displaying live fish and plants, the combination which comprises: an immersion filter submerged in the body of water intended to be filtered;   said filter including a housing of transparent composition having a mesh grid at one end and a pump means at its other end;   said filter further including a plurality of chambers including a middle chamber between the opposite ends of said housing separated by meshed partitions so as to allow water flow through said housing from said grid at one end to said pumping means;   water filtering material occupied in each of said chambers for removing chloramines from the water;   said filter material includes filter floss and activated carbon;   guide means for retaining said grids and said partitions in place to define said chambers;   said meshed partitions are composed of crossed plastic louvers forming a grill of unrestricted openings for the passage of water at the bottom of said housing;   said pump means is operably coupled to said middle chamber and includes a submerged motor.

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